If your hosting provider has identified a specific function in Magento that is causing long execution times, it's essential to address this issue to improve the performance of your website. Here are some steps you can take: Review the Function: Take a closer look at the function identified by your https://community.magento.com/t5/Magento-2-x-Technical-Issues/Unable-to-serialize-value/m-p/497721/highlight/false#M19812